CN220020766U - High-precision thick film chip resistor - Google Patents
High-precision thick film chip resistor Download PDFInfo
- Publication number
- CN220020766U CN220020766U CN202321658200.7U CN202321658200U CN220020766U CN 220020766 U CN220020766 U CN 220020766U CN 202321658200 U CN202321658200 U CN 202321658200U CN 220020766 U CN220020766 U CN 220020766U
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- CN
- China
- Prior art keywords
- fixedly connected
- thick film
- film chip
- chip resistor
- resistor
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Details Of Resistors (AREA)
Abstract
The utility model discloses a high-precision thick film chip resistor, which comprises: the utility model provides a heat insulation device, including base plate, upper surface fixedly connected with insulating layer of base plate, the last fixed surface of insulating layer is connected with the resistance, the last fixed surface of resistance is connected with the protective layer, the last fixed surface of protective layer is connected with the heating panel, the lower fixed surface of base plate is connected with the holder, the preceding fixed surface of holder is connected with the installed part, the inside of installed part is provided with the slot, through above-mentioned structure, adopts holder, installed part and slot for tweezers can not direct clamp on the resistance, and the friction plate provides frictional force simultaneously, makes difficult roll-off of whole device, and is provided with protective layer, heating panel and louvre, carries out the secondary heat dissipation to the resistance, makes it can not burn out easily at the during operation.
Description
Technical Field
The utility model relates to the technical field of high-precision thick film chip resistors, in particular to a high-precision thick film chip resistor.
Background
The chip resistor is one of metal glass glaze resistors, and is a resistor manufactured by mixing metal powder and glass glaze powder and printing the mixture on a substrate by adopting a screen printing method, has the advantages of moisture resistance and high temperature resistance, small temperature coefficient, and can greatly save the space cost of a circuit and make the design more refined.
The thick film of the existing chip resistor is thinner, the intensity is lower, the precision is poorer, the electrical property stability is poorer, and the resistor is usually clamped by tweezers due to smaller size, and the resistor is damaged to some extent due to improper clamping force, so that the resistor has resistance variation when in use, and the performance of the resistor is affected. Therefore, a high-precision thick film chip thick film resistor is designed to solve the problems.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a high-precision thick film chip resistor, which adopts a clamping piece, a mounting piece and a slot, so that tweezers cannot be directly clamped on the resistor, and meanwhile, a friction plate provides friction force, so that the whole device is not easy to slide out, and a protective layer, a heat dissipation plate and a heat dissipation hole are arranged to conduct secondary heat dissipation on the resistor, so that the resistor cannot be burnt out easily during working.
The utility model also provides a high-precision thick film chip resistor, which comprises: the heat insulation device comprises a substrate, wherein the upper surface of the substrate is fixedly connected with a heat insulation layer, the upper surface of the heat insulation layer is fixedly connected with a resistor, the upper surface of the resistor is fixedly connected with a protection layer, and the upper surface of the protection layer is fixedly connected with a heat dissipation plate;
the lower surface of base plate fixedly connected with clamping piece, the front surface fixedly connected with installed part of clamping piece, the inside of installed part is provided with the slot.
According to the high-precision thick film chip resistor, the number of the resistors is two, and the front surface of the resistor is fixedly connected with the rear surface of the clamping piece.
According to the high-precision thick film chip resistor, the number of the clamping pieces is two, the clamping pieces are distributed left and right, and the clamping pieces are in a concave shape and are used for better clamping the resistor, so that the resistor is not easy to slide out.
According to the high-precision thick film chip resistor, the front surface of the substrate is fixedly connected with the rear surface of the clamping piece, and the front surface of the heat dissipation plate is fixedly connected with the rear surface of the clamping piece.
According to the high-precision thick film chip resistor, the heat dissipation holes are formed in the heat dissipation plate, the heat dissipation holes are distributed in a plurality of rectangular shapes and are used for dissipating heat of the resistor, and the resistor cannot be burnt out during working.
According to the high-precision thick film chip resistor, friction plates are arranged in the slots, the friction plates are distributed left and right, friction force is increased, and the resistor cannot easily slide out when being clamped by tweezers.
According to the high-precision thick film chip resistor, the front surface of the protective layer is fixedly connected with the rear surface of the clamping piece, and the front surface of the heat insulation layer is fixedly connected with the rear surface of the clamping piece.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further illustrated by the following figures and examples;
fig. 1 is a schematic diagram of the overall front structure of a high-precision thick film chip resistor according to the present utility model;
fig. 2 is a schematic side view of a high-precision thick film chip resistor according to the present utility model;
fig. 3 is a schematic diagram of a structure of a clamping member of the high-precision thick film chip resistor according to the present utility model;
fig. 4 is a schematic diagram of the reverse structure of a high-precision thick film chip resistor according to the present utility model.
Legend description:
1. a substrate; 2. a thermal insulation layer; 3. a resistor; 4. a protective layer; 5. a heat dissipation plate; 6. a heat radiation hole; 7. a friction plate; 8. a clamping member; 9. a mounting member; 10. a slot.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, a high precision thick film chip resistor according to an embodiment of the present utility model includes: the substrate 1, the substrate 1 adopts the ceramic plate as raw material, the ceramic plate adopts the high-purity inorganic material as raw material, through accurate control of chemical composition and uniformity, and then shaping in a certain way, finally sintering at high temperature, it has the advantages of high enough mechanical strength, low dielectric constant, low thermal expansion coefficient, high thermal conductivity, good chemical stability, etc., the front surface of the substrate 1 is fixedly connected with the rear surface of the clamping piece 8, the front surface of the heat dissipation plate 5 is fixedly connected with the rear surface of the clamping piece 8, the upper surface of the substrate 1 is fixedly connected with the heat insulation layer 2, the upper surface of the heat insulation layer 2 is coated with heat dissipation paint, the heat dissipation paint can well help the resistor 3 to dissipate heat, prevent the failure of the resistor 3, the function is lost, the upper surface of the heat insulation layer 2 is fixedly connected with the resistor 3, the number of the resistor 3 is two, the thick film of the resistor 3 can be increased, the strength of the resistor is increased, the resistor 3 is not easy to change, the function is affected, the front surface of the resistor 3 is fixedly connected with the rear surface of the clamping piece 8, the upper surface of the resistor 3 is fixedly connected with the protective layer 4, the front surface of the protective layer 4 is fixedly connected with the rear surface of the clamping piece 8, the front surface of the heat insulation layer 2 is fixedly connected with the rear surface of the clamping piece 8, the upper surface of the protective layer 4 is fixedly connected with the heat dissipation plate 5, the protective layer 4 adopts graphene as a raw material, the graphene is a new material with carbon atom hybridized connection tightly stacked into a single-layer two-dimensional honeycomb lattice structure, and compared with other carbon materials, the graphene has a perfect large pi conjugated system and a thinnest single-layer atomic thickness structure, so that the graphene shows excellent and unique properties in optics, electricity, heat and mechanics, including high conductivity, high strength, high thermal conductivity, extremely high surface area, excellent thermal stability, strong hydrophobicity, etc.
The inside of heating panel 5 is provided with louvre 6, louvre 6's quantity is a plurality of and rectangle distribution for give resistance 3 heat dissipation, make it can not burn out at the during operation, the lower fixed surface of base plate 1 is connected with clamping piece 8, the quantity of clamping piece 8 is two and controls the distribution, clamping piece 8 is the concave shape, be used for better centre gripping resistance 3, make it difficult roll-off, and make tweezers can not direct contact resistance 3, destroy resistance 3 itself, clamping piece 8's front surface fixedly connected with installed part 9, the inside of installed part 9 is provided with slot 10, slot 10's inside is provided with friction plate 7, friction plate 7's quantity is a plurality of and controls the distribution, increase frictional force, make resistance 3 can not the roll-off easily when being held by tweezers.
Working principle: when the high-precision thick film chip resistor is used, the resistor 3 is used as a functional element, the base plate 1 protects the lower surface of the resistor 3 from damage, the protective layer 4 dissipates heat for the resistor 3, the heat dissipation plate 5 and the heat dissipation holes 6 dissipate heat for the resistor 3 for the second time, an operator puts tweezers into the slot 10, and then the friction plate 7 provides friction force to clamp the mounting piece 9 for working.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. A high precision thick film chip resistor, comprising:
the heat insulation device comprises a substrate (1), wherein the upper surface of the substrate (1) is fixedly connected with a heat insulation layer (2), the upper surface of the heat insulation layer (2) is fixedly connected with a resistor (3), the upper surface of the resistor (3) is fixedly connected with a protection layer (4), and the upper surface of the protection layer (4) is fixedly connected with a heat dissipation plate (5);
the lower surface of base plate (1) fixedly connected with clamping piece (8), the front surface fixedly connected with installed part (9) of clamping piece (8), the inside of installed part (9) is provided with slot (10).
2. The high-precision thick film chip resistor according to claim 1, wherein the number of the resistors (3) is two, and the front surface of the resistor (3) is fixedly connected with the rear surface of the clamping piece (8).
3. The high-precision thick film chip resistor according to claim 1, wherein the number of the clamping pieces (8) is two and distributed left and right, and the clamping pieces (8) are in a concave shape.
4. The high-precision thick film chip resistor according to claim 1, wherein the front surface of the substrate (1) is fixedly connected with the rear surface of the clamping piece (8), and the front surface of the heat dissipation plate (5) is fixedly connected with the rear surface of the clamping piece (8).
5. The high-precision thick film chip resistor according to claim 1, wherein heat dissipation holes (6) are formed in the heat dissipation plate (5), and the heat dissipation holes (6) are distributed in a plurality of rectangular shapes.
6. The high-precision thick film chip resistor according to claim 1, wherein friction plates (7) are arranged in the slots (10), and the number of the friction plates (7) is multiple and distributed left and right.
7. The high-precision thick film chip resistor according to claim 1, wherein the front surface of the protective layer (4) is fixedly connected with the rear surface of the clamping piece (8), and the front surface of the heat insulating layer (2) is fixedly connected with the rear surface of the clamping piece (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321658200.7U CN220020766U (en) | 2023-06-27 | 2023-06-27 | High-precision thick film chip resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321658200.7U CN220020766U (en) | 2023-06-27 | 2023-06-27 | High-precision thick film chip resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020766U true CN220020766U (en) | 2023-11-14 |
Family
ID=88685838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321658200.7U Active CN220020766U (en) | 2023-06-27 | 2023-06-27 | High-precision thick film chip resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020766U (en) |
-
2023
- 2023-06-27 CN CN202321658200.7U patent/CN220020766U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |